MCP3004-I/P - 10-Bit, 4-Channel SPI ADC | Microchip
料号： MCP3004-I/P ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.352 | $3.35 |
| 10 | $3.15 | $31.50 |
| 100 | $3.0114 | $301.14 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.65 | $2,650.00 |
MCP3004-I/P 概述
What is an ADC? An analog-to-digital converter, or ADC, transforms continuously varying analog voltages into numeric values that a microcontroller or other digital controller can process. The MCP3004 belongs to the SAR ADC category: its successive-approximation register samples an input and performs conversion through a sequence of bit decisions. Within the broader hierarchy, it is an ADC, data-converter IC, interface IC, and embedded-control component.
The MCP3004 supports four analog input channels that can be configured as single-ended inputs or pseudo-differential pairs, as described by the manufacturer documentation. Its SPI interface reduces the number of signal lines required compared with a parallel ADC. The verified family documentation identifies a 2.7 V to 5.5 V operating range, typical standby current of 5 nA, and typical active current of 320 uA, making the device suitable for low-power embedded systems.
The MCP3004-I/P is the 14-pin PDIP package option. The family documentation identifies 10-bit resolution, 200 kSPS sampling, four channels, and differential or pseudo-differential input capability. For a 14-pin PDIP footprint, the package has a 0.300-inch, 7.62 mm lead pitch according to the verified distributor specification data. Exact pin names and full electrical limits should be confirmed against the manufacturer datasheet before PCB release.
Typical applications include industrial control, sensor acquisition, battery-powered instrumentation, temperature monitoring, and low-speed data logging. SPI-compatible microcontrollers can read conversion results while keeping the analog front end separate from the digital control logic. The -I/P suffix denotes the specified ordering variant, while package and temperature details should be checked against the manufacturer product documentation.
A key design consideration is ensuring the analog input voltage stays within the device's valid common-mode and supply limits. Place the input network close to the ADC, provide suitable analog grounding, and keep SPI clock and data traces away from sensitive input nodes. The low active current is valuable, but conversion timing and system clocking still determine the achievable update rate.
This page combines verified manufacturer and distributor information, practical package and interface guidance, and explicit data gaps for parameters not present in the supplied search results. It is intended to help engineers identify whether the MCP3004-I/P matches a 10-bit, four-channel SPI data-acquisition design before completing a detailed datasheet review.
直接替换替代料： MCP3004-I/P ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
MCP3004-I/SL
✅ 直接替换📋 参考替代料（不在目录中）
MCP3004-I/STVAO
✅ 直接替换📋 参考替代料（不在目录中）
MCP3004-I/SS
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCP3004-I/SO
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCP3004-I/SSO
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
MCP3004-I/P 最大额定值与电气特性
| Device Type | 10-bit analog-to-digital converter |
| Architecture | Successive approximation register (SAR) |
| 分辨率 | 10 bit |
| Number of Analog Input Channels | 4 channels |
| Input Configuration | Single-ended or pseudo-differential pairs |
| Maximum Sampling Rate | 200 kSPS |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Typical Standby Current | 5 nA |
| Typical Active Current | 320 uA |
| Serial Interface | SPI |
| Number of Converters | 1 |
| 封装 | 14-pin PDIP |
| Package Lead Pitch | 0.300 in (7.62 mm) |
| 安装类型 | Through-hole |
| Differential Inputs | 2 differential inputs or 4 pseudo-differential inputs |
| Differential Nonlinearity | ±1 LSB maximum |
| ENOB | 9.9 bits |
| SFDR | 78 dB typical |
MCP3004-I/P 0.300 in (7.62 mm) 引脚配置指南
MCP3004-I/P（0.300 in (7.62 mm) 封装）的引脚配置。 该模拟元件具有输入、输出和电源引脚。请参阅制造商数据手册以了解失调调零、补偿和使能引脚配置。适用于信号调理和放大器电路。
暂无详细引脚数据： MCP3004-I/P.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCP3004-I/P 适用于 6 应用s: Industrial Sensor Acquisition, Battery-Powered Instrumentation, Temperature and Environmental Monitoring, Low-Speed Data Logging, Educational and Prototype Control Systems, Battery Charger and Power Control.
Industrial Sensor Acquisition
The MCP3004-I/P fits industrial sensor acquisition when a controller must monitor four analog channels through a compact SPI interface. Its 10-bit resolution is appropriate for many pressure, level, position, and process-control signals, while the 200 kSPS maximum conversion rate provides ample headroom for routine monitoring loops. The four channels reduce the number of separate converters needed on a control board. Designers should scale each sensor signal into the ADC input range, keep analog routing short, and verify the reference and common-mode requirements in the Microchip datasheet.
推荐
Battery-Powered Instrumentation
The MCP3004-I/P is useful in battery-powered instrumentation because the verified family documentation reports typical standby current of 5 nA and typical active current of 320 uA. A microcontroller can activate the ADC during periodic measurements and place it back into a low-power state between samples. The device's 2.7 V to 5.5 V operating range supports common low-energy rails, although total system consumption depends on the sensor, reference, pull networks, and SPI activity. Duty-cycled acquisition is generally more effective than keeping the converter active continuously.
推荐
Temperature and Environmental Monitoring
The MCP3004-I/P can digitize several temperature, humidity, or environmental sensor outputs when the system needs more than one analog measurement channel. Its 10-bit result provides a practical balance between resolution, cost, and conversion speed for many monitoring systems, while SPI makes the results accessible to a small embedded controller. The MCP3004-I/P does not provide the sensor interface itself, so each signal must be conditioned for the ADC input range. Use a stable reference and consistent sampling timing to improve repeatability.
推荐
Low-Speed Data Logging
For low-speed data logging, the MCP3004-I/P can acquire multiple analog channels and transfer each result over SPI to a host processor or memory system. The 200 kSPS maximum sampling rate is well above many logging applications that sample temperature, pressure, or equipment status at intervals of seconds or minutes. Four channels help organize several sensors behind one ADC, while the serial interface reduces PCB wiring compared with a parallel converter. Firmware should define channel selection, settle time, conversion timing, and data scaling consistently.
推荐
Educational and Prototype Control Systems
The MCP3004-I/P is well suited to educational prototypes because it combines four analog inputs, a documented SPI interface, and a through-hole 14-pin PDIP package. Students can connect potentiometers, light sensors, temperature sensors, or simple control outputs to a microcontroller and inspect conversion results in firmware. The 10-bit resolution and 200 kSPS sampling capability provide meaningful measurements without the complexity of a high-speed parallel ADC. A prototype should still use a regulated supply, common ground, input protection, and a datasheet-confirmed reference network.
推荐
Battery Charger and Power Control
The MCP3004-I/P can support battery-management or charger-control prototypes that need to monitor several analog feedback signals, such as supply voltage, current, temperature, or fault indicators. Its four-channel input arrangement can consolidate measurements while SPI provides a compact connection to a controller. The ADC should be used for measurement rather than as the primary power-path element, and the designer must confirm that each signal stays within the converter's input and reference limits. The low typical active current of 320 uA helps when the control system operates from a constrained power budget.
推荐
推荐产品汇总
工程参考数据： MCP3004-I/P ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MCP3004-I/SL | MCP3004-I/STVAO | MCP3004-I/SS | MCP3004-I/SO | MCP3004-I/SSO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP | 14-pin PDIP |
| Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
| Input Channels | 4 channels | 4 channels | 4 channels | 4 channels | 4 channels | 4 channels |
| Sampling Rate | 200 kSPS | 200 kSPS | 200 kSPS | 200 kSPS | 200 kSPS | 200 kSPS |
| Architecture | SAR | SAR | SAR | SAR | SAR | SAR |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
关键差异点
- Four-channel integration in a 14-pin PDIP device （对比 MCP3008)
- 200 kSPS sampling rate for embedded acquisition （对比 MCP3004-I/STVAO)
- SPI interface reduces external connection count （对比 MCP3004-I/SL)
设计说明
Route analog inputs directly from their source components to the MCP3004-I/P input pins and keep the traces short and away from SPI clock, digital control, and switching-node traces. The four-channel ADC can be sensitive to trace resistance, parasitic capacitance, and ground gradients even when the nominal application is low speed. Place input filtering or protection close to the ADC and use a quiet analog ground strategy appropriate to the complete board.
Provide a stable supply and reference arrangement within the limits specified by the manufacturer datasheet. The verified family documentation confirms a 2.7 V to 5.5 V operating range, but it does not provide the complete reference-pin requirements in the supplied data. Confirm supply decoupling, reference stability, input range, and common-mode limits before layout release; do not treat the supply rating as an automatic input-range guarantee.
Do not substitute MCP3008 for MCP3004-I/P without redesigning the PCB: MCP3008 has eight analog channels and a different package/pin count. Likewise, confirm that a proposed MCP3004 ordering variant has the same 14-pin PDIP footprint and pin functions. The cross-reference results in the supplied data do not establish universal pin compatibility, so verify the manufacturer pin table before approving any replacement.
SPI timing must be coordinated with the ADC conversion sequence and channel-selection procedure. The MCP3004-I/P is a serial-interface SAR ADC, so clock rate, chip-select behavior, data-valid timing, and firmware settling time determine reliable sampling. Keep the SPI lines away from analog inputs, provide a defined ground reference, and validate timing with an oscilloscope in the final assembled design.
合规信息
The supplied verified search results do not provide authoritative compliance statements for this exact MCP3004-I/P ordering variant. Check the current Microchip product page, datasheet, and authorized distributor documentation before making a compliance claim.
